Ukupakishwa kwamabhontshisi ekhofi akugcini nje ngokubukeka okuhle, kodwa futhi kuyasebenza. Ukupakishwa kwekhwalithi ephezulu kungavimba umoya-mpilo ngempumelelo futhi kwehlise ijubane lokuwohloka kokunambitheka kwamabhontshisi ekhofi.
Iningi lezikhwama zekhofi lizoba nesici esiyindilinga, esifana nenkinobho. Cindezela isikhwama, bese iphunga lekhofi libhobozwa ngembobo encane ngaphezu "kwenkinobho". Le ngxenye encane emise okwenkinobho ibizwa ngokuthi "i-valve yokukhipha umoya enendlela eyodwa".
Ubhontshisi wekhofi osanda kubhakwa ukhipha kancane kancane i-carbon dioxide, futhi lapho i-roast imnyama, kulapho kukhishwa khona igesi ye-carbon dioxide eningi.
Kunemisebenzi emithathu yevalvu yokukhipha umoya yendlela eyodwa: okokuqala, isiza ubhontshisi wekhofi ukuthi ukhiphe umoya, futhi ngesikhathi esifanayo ivimbele ukubola kobhontshisi wekhofi okubangelwa ukubuyela komoya. Okwesibili, enkambisweni yokuthutha, gwema noma unciphise ingozi yomonakalo wokupakisha obangelwa ukwanda kwesikhwama ngenxa yokukhipha umoya webhontshisi wekhofi. Okwesithathu, kwabanye abathengi abathanda ukuhogela iphunga, bangathola iphunga elimnandi likabhontshisi wekhofi kusengaphambili ngokucindezela isikhwama sebhontshisi.
Ingabe izikhwama ezingenayo ivalvu yokukhipha umoya eqondene nenye indlela azifaneleki? Akunjalo ngokuphelele. Ngenxa yezinga lokuthosa ubhontshisi wekhofi, ukukhishwa kwe-carbon dioxide nakho kuhlukile.
Ubhontshisi wekhofi othosiwe omnyama ukhipha igesi eningi ye-carbon dioxide, ngakho-ke kudingeka i-valve yokukhipha umoya ohlangothini olulodwa ukusiza igesi iphume. Kwabanye ubhontshisi wekhofi othosiwe kancane, ukukhishwa kwe-carbon dioxide akusebenzanga kangako, futhi ukuba khona kwe-valve yokukhipha umoya ohlangothini olulodwa akubalulekile kangako. Yingakho, lapho kwenziwa ikhofi elithululelwa phezu kwalo, ama-roast alula awabi "makhulu" kunobhontshisi othosiwe omnyama.
Ngaphezu kwevalvu yokukhipha umoya yendlela eyodwa, enye indlela yokulinganisa iphakheji yizinto zangaphakathi. Ukupakisha kwekhwalithi enhle, ungqimba lwangaphakathi ngokuvamile luyi-aluminium foil. I-aluminium foil ingavimba kangcono umoya-mpilo, ukukhanya kwelanga kanye nomswakama ngaphandle, okudala indawo emnyama yamabhontshisi ekhofi.
Isikhathi sokuthunyelwe: Agasti-15-2022
